Zhibek Kulambayeva defeated Ekaterina Kazionova 6-4 7-5 in the W35 Solapur 1 round of 16 on hard. The upset overturned the form book — Ekaterina Kazionova came in ranked #442, leading the head-to-head 2–0. Zhibek Kulambayeva claimed a first win over Ekaterina Kazionova in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-03-27 | W50 Bujumbura 1 | R16 | clay | Ekaterina Kazionova | 7-5 6-3 |
| 2022-02-23 | W60 Nur-Sultan | R32 | hard | Ekaterina Kazionova | 1-6 7-6(5) 6-3 |
Averages over each player's completed matches in the selected window (58 vs 75). ATP, WTA & Challenger.
Kulambayeva Z.: 15 days rest · Kazionova E.: 1 day rest · 2 matches, 47 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About